Q: What are the prime factors of the number 4,242,800?

 A: 2, 5, 10607

Why are those the prime factors of the number 4,242,800?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 4,242,800

4,242,800
Factor Arrows
22,121,400
Factor Arrows
21,060,700
Factor Arrows
2530,350
Factor Arrows
2265,175
Factor Arrows
553,035
Factor Arrows
510,607

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 5, 10607

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 5 x 10,607 = 4,242,800

This can also be written as 24 x 52 x 10,6071 = 4,242,800

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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